Abstract

Abstract Nanometer-scale stripe pattern in the monolayer composed of α-helical copolypeptide was characterized with atomic force microscope (AFM). This monolayer was formed with the copolypeptide composed of poly(ε-benzyloxycarbonyl l-lysine)x-poly[(γ-methyl l-glutamate)y-z/(l-glutamic acid)z] (PLLZx–P(MLGy-z/LGAz)). AFM image of Langmuir–Blodgett (LB) film of this copolypeptide showed a nanometer-scale stripe pattern. This pattern seems to be based on the nanophase-separated structure in the copolypeptide monolayer at air/water interface.

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